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--- products:sbc:common:add-ons:5g-module-usage [2023/02/20 08:35]
nick
+++ products:sbc:common:add-ons:5g-module-usage [2023/06/11 23:48] (current)
nick
@@ Line 8: / Line 8: @@
   * Disconnect the Khadas SBC power port cable.
-  * Insert the 5G module board into the M.2 slot on [[https://www.khadas.com/product-page/new-m2x-extension | M2X WWAN Extension]]
+  * Insert the 5G module board into the M.2 slot on [[https://www.khadas.com/product-page/new-m2x-extension | M2X WWAN Extension]] board.
-  * Insert the M2X WWAN Extension board into the SBC
+  * Insert the M2X WWAN Extension board into the SBC.
   * Insert a valid ''Nano SIM'' card on the 5G module.
@@ Line 18: / Line 18: @@
 You need to [[products:sbc:common:configurations:upgrade-system|]] to latest version.
+=== Enable PCIe Port (VIM3 Only) ===
+<WRAP important >
+If you use the VIM3 board, you need to enable the PCIe function.
+</WRAP>
+Khadas VIM3 PCIe/USB3.0 share one data port,and the default mode is USB 3.0.So when we need to use 5G module, we need to switch it to PCIe port.
+```shell
+$ echo 1 > /sys/class/mcu/usb_pcie_switch_mode
+$ sudo reboot
+```
+''Reboot'' the system to bring changes into effect.
 ==== Disable ModemManager ====

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